Food Chains

Every food chain starts with a producer. Where does the producer get its energy?

• Water

• The sun

• Plants

• Animals

Which choice below shows the correct order of a food chain?

• sun -> rabbit -> tomato plant -. decomposer -> hawk

• tomato plant -> decomposer -> sun -> rabbit -> hawk

• sun -> tomato plant -> rabbit -> hawk -> decomposer

• sun->tomato plant->hawk->rabbit->decomposer

Which one could be an herbivore??

• lettuce

• greenfly

• ladybird

• thrush

Which animal would be the first link in a food chain?

• A cactus

• A plant

• Herbivore

• Carnivore

In this food web, energy is transferred directly between--

• mosquitoes and mudskippers

• kingfishers and mangrove crabs

• prawns and mosquito larvae

• kingfishers and mangrove trees

which statement correctly describes the transfer of energy in a food chain in this ecosystem?

• energy is transferred from berries to bears to elk

• energy is transferred from grasses to marmots to bobcats

• energy is transferred from bobcats to grouses to grasses

• energy is transferred from grasses to elk to grouses

The illustration shows some of the organisms in an ecosystem.

Which organism is the MOST LIKELY food source for the deer?

• mountain lion

• plant 

• hawk

• squirrel

A student wants to grow a sunflower plant. He knows it is a producer 

and can make its own food. 

The plant needs all of the following in order to make its own food EXCEPT 

• carbon - dioxide

• insects

• water

• sunlight

Look at the food web of a pond ecosystem.

Which food chain shows the correct flow of energy in the pond 

of the food web?

• 
• 
• 
• 

Which organisms do not directly consume another organism for energy?

• Ravens and Quails

• Kangaroo rats and crickets

• cacti and seeds

• gila monsters and desert tortoises